Dectron, Inc. March 2012
Owner’s Manual
DSH/DSV/RSH/DBH/RBH Series Dehumidifier
Check / Add Oil Startup
Data subject to change without notice.
227
For units without oil-level sight glasses, any needed additional oil was added under “Add Pre-Determined
Amount of Oil” on a previous page.
For units with oil-level sight glasses,
the oil level must
be monitored carefully during the startup phase.
Be sure that the room temperature is within 4°F (2.2°C) and the relative humidity is within 10% of the unit-
nameplate values. Check the oil level
1. 30 minutes after starting the compressor,
2. each hour for the four (4) hours after starting the compressor ,
3. before leaving for the day, and
4. on the second startup day.
Add or remove oil to keep the level as near the middle of the sight
glass as possible, and in any case between 1/8 and 3/4 full.
Risk of compressor damage.
DO
NOT OVERFILL OR UNDERFILL.
Risk of contact with moving parts. Can cause injury or death.
This product contains rotating parts and V-belt drives. Do not approach any moving
parts while electric power is applied to unit. Use only approved devices (e.g. locking
safety switch), to disconnect, lockout, and tagout all sources of electrical energy before
working inside the unit cabinet. Allow adequate time for rotating parts to stop. Follow
all applicable safety regulations.
WARNING
Samples
Actual appearances
may vary.
NOTICE
The oil may appear slightly foamy until 30 minutes after the expansion valve is properly adjusted. After the
expansion valve(s) is adjusted, the oil should not appear foamy. If the oil appears to be foaming after 30 minutes
of operation after the expansion valve is adjusted, contact Dectron.
For semi-hermetic compressors, oil can be added through the oil fill plug.
Use standard procedures per compressor manufacturers.
For scroll compressors and hermetic reciprocator compressors, add oil through
the low-pressure convenience access valve, mounted on the unit cabinet.
Risk of flying liquids, gases, particles. Can cause eye injury.
This task may involve risk of exposure to flying materials which can cause eye
injury. Always wear protective safety glasses or goggles, as appropriate.
WARNING
STARTUP
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